/* Biến thiết kế */
:root {
  --bg-primary: #050505;
  --bg-secondary: #0D0D0D;
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0A0;
  --gold-primary: #D4AF37;
  --gold-light: #F5D76E;
  --border: rgba(212, 175, 55, 0.2);

  --gold-ink: #D4AF37;
  --surface: #101010;
  --surface-glass: rgba(16, 16, 16, 0.62);
  --border-strong: rgba(212, 175, 55, 0.4);
  --grid-line: rgba(255, 255, 255, 0.05);
  --glow: rgba(212, 175, 55, 0.17);
  --gold-wash: rgba(212, 175, 55, 0.08);
  --header-bg: rgba(5, 5, 5, 0.72);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px -10px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 40px 90px -30px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(212, 175, 55, 0.06);
  --danger: #FF8A7A;
  --success: #6ED6A0;
  --focus: #F5D76E;
  --on-gold: #111111;

  --gradient-gold: linear-gradient(135deg, #B8860B, #FFD700, #D4AF37, #FFF1A8);
  --gradient-text: linear-gradient(120deg, #C9A227 0%, #FFD700 35%, #D4AF37 65%, #FFF1A8 100%);
  --gradient-line: linear-gradient(90deg, transparent, var(--gold-primary), transparent);

  
  --font-sans: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.0625rem;
  --fs-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  --fs-h3: clamp(1.1875rem, 1.1rem + 0.35vw, 1.375rem);
  --fs-h2: clamp(1.875rem, 1.35rem + 2.2vw, 3.25rem);
  --fs-display: clamp(2.25rem, 1.3rem + 4.2vw, 4.75rem);

  
  --container: 1240px;
  --gutter: clamp(16px, 4.5vw, 32px);
  --section-y: clamp(72px, 9vw, 136px);
  --header-h: 68px;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 180ms;
  --dur: 320ms;
  --dur-slow: 700ms;

  color-scheme: dark;
}

/* Nền tảng */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
p { text-wrap: pretty; }

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }

::selection { background: var(--gold-light); color: #111; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

[hidden] { display: none !important; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed;
  top: 12px; left: 12px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--text-primary);
  color: var(--bg-primary);
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform var(--dur) var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }

/* Bố cục */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: var(--section-y);
}
.section--alt { background: var(--bg-secondary); }
.section--contrast {
  background: var(--bg-secondary);
  color: var(--text-primary);
  overflow: clip;
}
.section--contrast {
  border-block: 1px solid var(--border);
}

.section-header {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(40px, 6vw, 72px);
  max-width: 760px;
}
.section-header--center {
  margin-inline: auto;
  text-align: center;
  justify-items: center;
}
.section-header--split { max-width: none; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-ink);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.section-header--center .eyebrow::after {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.section-title {
  font-size: var(--fs-h2);
  letter-spacing: -0.03em;
}
.section-title--display {
  font-size: clamp(2.125rem, 1.2rem + 3.6vw, 4.25rem);
  letter-spacing: -0.035em;
  line-height: 1.02;
}
.section-lead {
  font-size: var(--fs-lg);
  color: var(--text-secondary);
  max-width: 62ch;
}
.section-lead__sub { display: block; margin-top: 6px; }

.section-cta {
  display: flex;
  justify-content: center;
  margin-top: clamp(40px, 5vw, 64px);
}

.text-gold {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  padding-right: 0.04em;
}
em.text-gold {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.fine-print {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  padding-left: 14px;
  border-left: 2px solid var(--border-strong);
}

.prose p + p { margin-top: 1.1em; }
.prose { color: var(--text-secondary); font-size: var(--fs-md); }
.prose strong { color: var(--text-primary); font-weight: 600; }

/* Thành phần dùng chung */
.icon {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon--xs { width: 14px; height: 14px; }
.icon--lg { width: 28px; height: 28px; stroke-width: 1.5; }

.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
  white-space: nowrap;
  transition:
    transform var(--dur) var(--ease-out),
    background-position 600ms var(--ease-out),
    border-color var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out),
    color var(--dur) var(--ease-out);
}
.btn .icon { width: 18px; height: 18px; transition: transform var(--dur) var(--ease-out); }
.btn:hover .icon { transform: translateX(3px); }

.btn--primary {
  color: var(--on-gold);
  background-image: linear-gradient(120deg, #B8860B 0%, #FFD700 30%, #D4AF37 55%, #FFF1A8 80%, #D4AF37 100%);
  background-size: 220% 100%;
  background-position: 0% 50%;
}

.btn--primary::after {
  content: "";
  position: absolute;
  inset: 4px 10%;
  z-index: -1;
  border-radius: inherit;
  background: #D4AF37;
  filter: blur(14px);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}
.btn--primary:hover { background-position: 100% 50%; transform: translateY(-2px); }
.btn--primary:hover::after { opacity: 0.55; }

.btn--ghost {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background-color: transparent;
}
.btn--ghost:hover {
  border-color: var(--gold-primary);
  background-color: var(--gold-wash);
  transform: translateY(-2px);
}

.btn--sm { min-height: 40px; padding: 8px 18px; }
.btn--lg { min-height: 52px; padding: 14px 28px; font-size: var(--fs-base); }
.btn--block { width: 100%; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-primary);
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.icon-btn:hover { border-color: var(--gold-primary); color: var(--gold-ink); transform: translateY(-2px); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.4;
}
.badge--glass {
  border: 1px solid var(--border-strong);
  background: var(--surface-glass);
  color: var(--text-primary);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.badge--gold { background: var(--gradient-gold); color: var(--on-gold); }
.badge--soon {
  border: 1px dashed var(--border-strong);
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.badge__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold-primary);
  box-shadow: 0 0 0 4px var(--gold-wash);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.chip--muted { background: var(--gold-wash); border-color: transparent; color: var(--gold-ink); }

.pulse-dot {
  position: relative;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #3CCB7F;
  flex: none;
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text-secondary);
}

.icon-box {
  display: inline-grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--gold-wash);
  color: var(--gold-ink);
  flex: none;
}
.icon-box--lg { width: 52px; height: 52px; border-radius: 14px; }
.icon-box--lg .icon { width: 24px; height: 24px; }

.check-list { display: grid; gap: 10px; }
.check-list li {
  position: relative;
  padding-left: 26px;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.35em;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--gold-wash) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23B8860B' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 10px no-repeat;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.card::before {
  content: "";
  position: absolute;
  top: -1px; left: 12%; right: 12%;
  height: 1px;
  background: var(--gradient-line);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}
@media (hover: hover) {
  .card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
  .card:hover::before { opacity: 1; }
}

.card__title { font-size: var(--fs-h3); letter-spacing: -0.02em; }
.card__title--lg { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.125rem); }
.card__subtitle {
  margin-top: -8px;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--gold-ink);
}
.card__text { color: var(--text-secondary); font-size: var(--fs-sm); line-height: 1.7; }
.card__text--lg { font-size: var(--fs-lg); color: var(--text-primary); }
.card__note { font-size: var(--fs-xs); color: var(--text-secondary); font-style: italic; }
.card__note--strong {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--gold-wash);
  font-style: normal;
  color: var(--text-primary);
}
.card__note--strong .icon { margin-top: 2px; color: var(--gold-ink); }

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 6px;
  min-height: 44px;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-primary);
  align-self: flex-start;
}
.card__link .icon { width: 16px; height: 16px; color: var(--gold-ink); transition: transform var(--dur) var(--ease-out); }
.card__link:hover .icon { transform: translateX(4px); }
.card__link:hover { color: var(--gold-ink); }

/* Header & điều hướng */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.site-header::before {
  
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}
.site-header.is-scrolled { border-bottom-color: var(--border); }
.site-header.is-scrolled::before,
.site-header.is-menu-open::before { opacity: 1; }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 100%;
}
.site-header__actions { display: flex; align-items: center; gap: 8px; }
.site-header__cta { display: none; }

.logo { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; }
.logo__mark {
  width: 40px;
  height: 40px;
  flex: none;
  fill: none;
  stroke: url(#g-logo);
  stroke-width: 3.6;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.logo__text { display: grid; gap: 3px; line-height: 1.3; }
.logo__line {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.logo__line--accent {
  font-size: 0.875rem;
  letter-spacing: 0.22em;
  color: var(--gold-ink);
}

.nav-toggle {
  display: grid;
  place-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.nav-toggle__bar {
  display: block;
  width: 18px; height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease-out), opacity var(--dur-fast) linear;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
  padding: 24px var(--gutter) calc(32px + env(safe-area-inset-bottom));
  background: var(--bg-primary);
  overflow-y: auto;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), visibility 0s linear var(--dur);
}
.nav.is-open {
  visibility: visible;
  opacity: 1;
  transform: none;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), visibility 0s;
}
.nav__list { display: grid; }
.nav__link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  border-bottom: 1px solid var(--border);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: color var(--dur-fast) linear;
}
.nav__link.is-active,
.nav__link:hover { color: var(--gold-ink); }
.nav__mobile-footer { display: grid; gap: 16px; }
.nav__mobile-note {
  text-align: center;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

body.is-locked { overflow: hidden; }

html:not(.js) .nav-toggle { display: none; }

/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(640px, 100svh, 960px);
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 88px;
  overflow: clip;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__grid {
  position: absolute;
  inset: -64px 0 0 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 25%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 25%, transparent 75%);
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow) 0%, transparent 65%);
}
.hero__glow--a { width: 720px; height: 720px; top: -280px; right: -220px; }
.hero__glow--b { width: 520px; height: 520px; bottom: -260px; left: -200px; opacity: 0.7; }

.hero__particles { position: absolute; inset: 0; display: none; }
.hero__particles span {
  position: absolute;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--gold-primary);
  opacity: 0;
}
.hero__particles span:nth-child(1) { left: 8%;  top: 70%; }
.hero__particles span:nth-child(2) { left: 22%; top: 85%; }
.hero__particles span:nth-child(3) { left: 38%; top: 60%; }
.hero__particles span:nth-child(4) { left: 52%; top: 90%; }
.hero__particles span:nth-child(5) { left: 64%; top: 75%; }
.hero__particles span:nth-child(6) { left: 76%; top: 88%; }
.hero__particles span:nth-child(7) { left: 88%; top: 66%; }
.hero__particles span:nth-child(8) { left: 94%; top: 82%; }

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 56px;
  align-items: center;
}
.hero__content { display: grid; gap: 24px; justify-items: start; }
.hero__title {
  font-size: var(--fs-display);
  line-height: 1.08;
  letter-spacing: -0.04em;
  max-width: 14ch;
}
.hero__title em { letter-spacing: -0.02em; white-space: nowrap; }
.hero__lead {
  font-size: var(--fs-lg);
  color: var(--text-secondary);
  max-width: 54ch;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 8px;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.hero__pillars li { display: inline-flex; align-items: center; gap: 18px; }
.hero__pillars li:not(:last-child)::after {
  content: "";
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--gold-primary);
}

.hero__visual {
  position: relative;
  width: 100%;
  max-width: 520px;
  justify-self: center;
  padding-block: 64px 8px;
}
.hero__disclaimer {
  margin-top: 14px;
  text-align: right;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}
.hero__scroll {
  position: absolute;
  z-index: 1;
  left: 50%;
  bottom: 20px;
  display: none;
  place-items: center;
  width: 44px; height: 44px;
  margin-left: -22px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.hero__scroll:hover { color: var(--gold-ink); border-color: var(--gold-primary); }

.dashboard {
  position: relative;
  display: grid;
  gap: 18px;
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-lg);
  padding-bottom: 32px;
}
.dashboard::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(212, 175, 55, 0.7), transparent 35%, transparent 65%, rgba(212, 175, 55, 0.4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  pointer-events: none;
}
.dashboard__head { display: flex; align-items: center; gap: 12px; }
.dashboard__dots { display: flex; gap: 5px; }
.dashboard__dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--border-strong); }
.dashboard__title {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.dashboard__chart {
  height: 96px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 100% 24px,
    var(--bg-primary);
  overflow: hidden;
}
.dashboard__chart svg { width: 100%; height: 100%; }
.dashboard__metrics { display: grid; gap: 14px; }

.metric {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  align-items: center;
  font-size: var(--fs-sm);
}
.metric__label { font-weight: 500; grid-row: 1; grid-column: 1; }
.metric__value {
  grid-row: 1;
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-ink);
}
.metric__bar {
  grid-row: 2;
  grid-column: 1 / -1;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--border);
  overflow: hidden;
}
.metric__bar span {
  display: block;
  width: var(--w, 50%);
  height: 100%;
  border-radius: inherit;
  background: var(--gradient-gold);
  transform-origin: left;
}

.dashboard__status { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.status {
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
}
.status__label { font-size: var(--fs-xs); color: var(--text-secondary); }
.status__value {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.status__value .icon { color: var(--gold-ink); stroke-width: 2.5; }

.float-card {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  font-size: var(--fs-xs);
}
.float-card__icon {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--gradient-gold);
  color: #111;
  flex: none;
}
.float-card__icon .icon { width: 18px; height: 18px; }
.float-card__body { display: grid; gap: 2px; }
.float-card__title { font-weight: 700; font-size: 0.6875rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold-ink); }
.float-card__text { color: var(--text-secondary); max-width: 180px; line-height: 1.4; }

.float-card--chat { top: 0; right: -4px; max-width: 290px; }
.float-card--flow { bottom: -10px; left: -4px; flex-direction: column; align-items: flex-start; gap: 6px; }

.typing { display: inline-flex; gap: 3px; align-self: flex-end; margin-bottom: 4px; }
.typing i { width: 4px; height: 4px; border-radius: 50%; background: var(--gold-primary); }

.mini-flow { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 0.6875rem; }
.mini-flow b { font-weight: 600; padding: 3px 7px; border-radius: 6px; background: var(--gold-wash); }
.mini-flow i { width: 14px; height: 1px; background: var(--gold-primary); }

/* Giới thiệu */
.intro__grid { display: grid; gap: 40px; }
.intro__head { display: grid; gap: 18px; align-content: start; }
.intro__lead { font-size: var(--fs-lg); color: var(--text-primary); line-height: 1.6; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.stat {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  padding-top: 16px;
  border-top: 1px solid var(--border-strong);
}
.stat__value {
  font-size: clamp(1.75rem, 1.3rem + 1.8vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat__label { font-size: var(--fs-xs); color: var(--text-secondary); line-height: 1.4; }

/* Dịch vụ */
.bento { display: grid; gap: 16px; }
.service-card__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.service-card__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

/* Thẻ AI Agent nổi bật */
.ai-card {
  overflow: hidden;
  gap: 22px;
  border-color: var(--border-strong);
  background: var(--surface);
}
.ai-card > * { position: relative; z-index: 1; }
.ai-card > .ai-card__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(70% 60% at 100% 0%, rgba(212, 175, 55, 0.16), transparent 70%),
    radial-gradient(50% 50% at 0% 100%, rgba(212, 175, 55, 0.07), transparent 70%),
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 32px 32px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 75% 15%, #000 30%, transparent 85%);
  mask-image: radial-gradient(ellipse 90% 80% at 75% 15%, #000 30%, transparent 85%);
}
.ai-card__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ai-card__head .badge .icon { width: 12px; height: 12px; }
.ai-card__main { display: grid; gap: 24px; }
.ai-card__intro { display: grid; gap: 14px; align-content: start; }
.ai-card__eyebrow {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-ink);
}
.ai-card__title {
  font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.ai-card__text { color: var(--text-secondary); font-size: var(--fs-md); line-height: 1.7; max-width: 46ch; }
.ai-card__facts { display: grid; gap: 8px; margin: 4px 0 0; padding: 0; list-style: none; }
.ai-card__facts li { display: flex; align-items: center; gap: 10px; font-size: var(--fs-sm); font-weight: 500; }
.ai-card__facts .icon { color: var(--gold-ink); }

/* Khung hội thoại minh họa */
.ai-chat {
  align-self: start;
  border-radius: 20px;
  border: 1px solid var(--border-strong);
  background: linear-gradient(180deg, rgba(22, 22, 22, 0.92), rgba(10, 10, 10, 0.92));
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.ai-chat__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.ai-chat__avatar {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  flex: none;
  border-radius: 10px;
  background: var(--gradient-gold);
  color: #111;
}
.ai-chat__avatar .icon { width: 18px; height: 18px; }
.ai-chat__who { flex: 1; display: grid; line-height: 1.3; min-width: 0; }
.ai-chat__who b { font-size: var(--fs-sm); }
.ai-chat__who span { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-xs); color: var(--text-secondary); }
.ai-chat__body { display: grid; gap: 10px; padding: 16px 14px; }
.ai-chat__msg {
  max-width: 88%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: var(--fs-sm);
  line-height: 1.55;
}
.ai-chat__msg--user {
  justify-self: end;
  border: 1px solid var(--border);
  border-bottom-right-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
}
.ai-chat__msg--bot {
  justify-self: start;
  border: 1px solid var(--border-strong);
  border-bottom-left-radius: 4px;
  background: var(--gold-wash);
}
.ai-chat__actions { display: flex; flex-wrap: wrap; gap: 6px; margin: 2px 0 0; padding: 0; list-style: none; }
.ai-chat__actions li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: rgba(212, 175, 55, 0.06);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--gold-ink);
}
.ai-chat__actions .icon { width: 12px; height: 12px; stroke-width: 2.4; }
.ai-chat__typing { justify-self: start; margin: 2px 0 0 4px; }

/* Năng lực */
.ai-card__caps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.ai-card__caps li {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  font-size: var(--fs-sm);
  font-weight: 500;
  line-height: 1.35;
  transition: border-color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.ai-card__caps li:hover { border-color: var(--border-strong); background: var(--gold-wash); }
.ai-card__caps span {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  flex: none;
  border-radius: 10px;
  background: var(--gold-wash);
  color: var(--gold-ink);
}
.ai-card__caps .icon { width: 18px; height: 18px; }
.ai-card__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }

/* AI Agent */
.ai-section__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 50% at 85% 20%, rgba(212, 175, 55, 0.14), transparent 70%),
    radial-gradient(40% 40% at 0% 100%, rgba(212, 175, 55, 0.08), transparent 70%);
}
.ai-section__grid { position: relative; display: grid; gap: 56px; align-items: center; }
.ai-section__content { display: grid; gap: 20px; justify-items: start; }

.feature-list {
  display: grid;
  gap: 14px;
  width: 100%;
  margin-block: 12px 12px;
}
.feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.feature-list .icon { margin-top: 3px; color: var(--gold-ink); }
.feature-list strong { display: block; font-size: var(--fs-sm); font-weight: 600; margin-bottom: 2px; }
.feature-list span { font-size: var(--fs-sm); color: var(--text-secondary); }

.workflow {
  position: relative;
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-glass);
  box-shadow: var(--shadow-lg);
}
.workflow__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.workflow__title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.workflow__steps { display: grid; gap: 0; }
.workflow__steps li { position: relative; display: grid; justify-items: center; }

.workflow__steps li:not(:last-child)::after {
  content: "";
  display: block;
  width: 2px;
  height: 18px;
  background: repeating-linear-gradient(to bottom, var(--gold-primary) 0 4px, transparent 4px 8px);
  background-size: 2px 16px;
  opacity: 0.7;
}
.workflow__step {
  display: flex;
  align-items: center;
  gap: 12px;
  width: min(100%, 320px);
  min-height: 48px;
  padding: 10px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  transition: border-color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.workflow__step .icon { color: var(--gold-ink); }
.workflow__step:hover { border-color: var(--border-strong); }
.workflow__step.is-active {
  border-color: var(--gold-primary);
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.16), rgba(212, 175, 55, 0.04));
  transform: scale(1.03);
}
.workflow__step--core {
  width: min(100%, 360px);
  border-color: var(--border-strong);
}
.workflow__step--core .icon { color: #111; background: var(--gradient-gold); border-radius: 8px; padding: 3px; width: 26px; height: 26px; }
.workflow__detail {
  margin-top: 18px;
  min-height: 3.4em;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--gold-wash);
  font-size: var(--fs-sm);
  color: var(--text-primary);
}

.section-header--split { display: grid; gap: 20px; }
.growth__grid { display: grid; gap: 16px; }
.growth-card { gap: 16px; }

/* SEO & Google Business */
.local__grid { display: grid; gap: 56px; align-items: center; }
.local__content { display: grid; gap: 20px; }

.steps-list { display: grid; gap: 4px; margin-block: 8px; }
.steps-list li {
  display: flex;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}
.steps-list__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--gold-ink);
  padding-top: 4px;
}
.steps-list h3 { font-size: var(--fs-base); letter-spacing: -0.01em; margin-bottom: 4px; }
.steps-list p { font-size: var(--fs-sm); color: var(--text-secondary); }

.local-visual {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}
.local-visual__search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.local-visual__search .icon { width: 18px; height: 18px; color: var(--gold-ink); }
.local-visual__map {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--bg-secondary);
}
.map-road { position: absolute; background: var(--border-strong); opacity: 0.8; border-radius: 4px; }
.map-road--a { left: -5%; right: -5%; top: 46%; height: 6px; transform: rotate(-8deg); }
.map-road--b { top: -5%; bottom: -5%; left: 40%; width: 5px; transform: rotate(12deg); }
.map-road--c { left: 55%; right: -5%; top: 20%; height: 4px; transform: rotate(24deg); }
.map-river { position: absolute; right: -10%; top: -10%; bottom: -10%; width: 22%; background: rgba(90, 150, 200, 0.14); transform: rotate(8deg); }
.map-pin { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -100%); }
.map-pin--muted {
  width: 12px; height: 12px;
  border-radius: 50% 50% 50% 0;
  background: var(--text-secondary);
  opacity: 0.45;
  transform: translate(-50%, -100%) rotate(-45deg);
}
.map-pin--main {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 50% 50% 50% 4px;
  background: var(--gradient-gold);
  transform: translate(-50%, -100%) rotate(-45deg);
  box-shadow: 0 10px 30px -6px rgba(212, 175, 55, 0.6);
}
.map-pin--main .icon { color: #111; transform: rotate(45deg); }
.listing {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-primary);
}
.listing__head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; align-items: center; }
.listing__name { font-weight: 700; }
.listing__verified { display: inline-flex; align-items: center; gap: 5px; font-size: var(--fs-xs); font-weight: 600; color: var(--success); }
.listing__meta { font-size: var(--fs-xs); color: var(--text-secondary); }
.listing__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.listing__actions span {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--gold-ink);
}

/* Website */
.web__grid { display: grid; gap: 16px; }
.web-card { gap: 18px; }
.web-card--featured { border-color: var(--border-strong); }

.browser {
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  overflow: hidden;
}
.browser__bar { display: flex; align-items: center; gap: 5px; padding: 9px 12px; border-bottom: 1px solid var(--border); }
.browser__bar i { width: 7px; height: 7px; border-radius: 50%; background: var(--border-strong); }
.browser__bar span { flex: 1; height: 8px; margin-left: 10px; border-radius: 4px; background: var(--border); max-width: 60%; }
.browser__body { display: grid; gap: 8px; padding: 18px; height: 140px; align-content: center; }
.sk { display: block; height: 8px; border-radius: 4px; background: var(--border); }
.sk--title { height: 14px; width: 70%; background: var(--text-primary); opacity: 0.85; }
.sk--line { width: 90%; }
.sk--short { width: 55%; }
.sk--btn { width: 84px; height: 22px; margin-top: 6px; border-radius: 999px; background: var(--gradient-gold); }
.browser__body--shop { grid-template-columns: repeat(3, 1fr); gap: 10px; align-content: stretch; }
.sk-product { display: grid; grid-template-rows: 1fr auto; gap: 6px; }
.sk-product b { border-radius: 8px; background: var(--gold-wash); border: 1px solid var(--border); }
.sk-product i { height: 6px; width: 70%; border-radius: 3px; background: var(--border-strong); }
.sk-bars { display: flex; align-items: flex-end; gap: 8px; height: 76px; }
.sk-bars i { flex: 1; height: var(--h); border-radius: 5px 5px 2px 2px; background: var(--gradient-gold); opacity: 0.85; transform-origin: bottom; }

/* Tự động hóa */
.pipeline {
  --node: 60px;
  --gap: 12px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px var(--gap);
  margin: 0 auto clamp(48px, 6vw, 72px);
  max-width: 1000px;
}
.pipeline__node { position: relative; display: grid; justify-items: center; gap: 10px; text-align: center; }
.pipeline__icon {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: var(--node); height: var(--node);
  border-radius: 18px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--gold-ink);
}
.pipeline__node--core .pipeline__icon { background: var(--gradient-gold); color: #111; border-color: transparent; }
.pipeline__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pipeline__node:not(:last-child)::after {
  content: "";
  position: absolute;
  top: calc(var(--node) / 2 - 1px);
  left: calc(50% + var(--node) / 2 + 4px);
  width: calc(100% + var(--gap) - var(--node) - 8px);
  height: 2px;
  background:
    linear-gradient(90deg, transparent, var(--gold-light), transparent) 0 0 / 40% 100% no-repeat,
    var(--border-strong);
}
.pipeline__node:nth-child(3)::after { display: none; }

.auto-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--border);
  overflow: hidden;
}
.auto-item {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 24px;
  background: var(--bg-secondary);
  transition: background-color var(--dur) var(--ease-out);
}
.auto-item:hover { background: var(--surface); }
.auto-item .icon { color: var(--gold-ink); }
.auto-item h3 { font-size: var(--fs-base); letter-spacing: -0.01em; }
.auto-item p { font-size: var(--fs-sm); color: var(--text-secondary); }

/* Vì sao chọn chúng tôi */
.why__grid { display: grid; gap: 16px; }
.why-card { gap: 16px; min-height: 240px; overflow: hidden; }
.why-card .icon--lg { color: var(--gold-ink); }
.why-card__num {
  position: absolute;
  top: 12px; right: 18px;
  font-size: 4.5rem;
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--border-strong);
  pointer-events: none;
}
.why-card .card__title { margin-top: auto; letter-spacing: 0.02em; }

/* Quy trình */
.timeline { position: relative; --progress: 0; }
.timeline__track {
  position: absolute;
  left: 23px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: var(--border);
}
.timeline__progress {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, #B8860B, #FFD700, #D4AF37);
  transform: scaleY(var(--progress));
  transform-origin: top;
}
.timeline__list { position: relative; display: grid; gap: 36px; }
.timeline__item { position: relative; display: grid; gap: 6px; padding-left: 72px; }
.timeline__dot {
  position: absolute;
  left: 0; top: 0;
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg-secondary);
  color: var(--gold-ink);
  transition: background-color var(--dur-slow) var(--ease-out), color var(--dur-slow) var(--ease-out);
}
.timeline__item.is-reached .timeline__dot { background: var(--gradient-gold); color: #111; border-color: transparent; }
.timeline__num { font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 600; color: var(--gold-ink); letter-spacing: 0.12em; }
.timeline__title { font-size: var(--fs-h3); letter-spacing: 0.02em; }
.timeline__text { font-size: var(--fs-sm); color: var(--text-secondary); max-width: 40ch; }
.timeline__text strong { color: var(--text-primary); font-weight: 600; }

.cases__grid { display: grid; gap: 16px; }
.case-card { gap: 16px; }
.case-card__category {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--gold-wash);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--gold-ink);
}
.case-card__details { display: grid; gap: 12px; }
.case-card__details dt,
.case-card__result-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.case-card__details dd { font-size: var(--fs-sm); margin-top: 2px; }
.case-card__result {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* Đánh giá khách hàng */
.carousel { position: relative; }
.carousel__viewport {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  border-radius: var(--radius-lg);
}
.carousel__viewport::-webkit-scrollbar { display: none; }
.carousel__track { display: flex; gap: 16px; }
.carousel__slide {
  flex: 0 0 88%;
  scroll-snap-align: start;
  display: flex;
}
.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
}
.carousel__dots { display: flex; gap: 4px; }
.carousel__dot {
  display: grid;
  place-items: center;
  width: 28px; height: 44px;
}
.carousel__dot::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 999px;
  background: var(--border-strong);
  transition: width var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.carousel__dot[aria-current="true"]::before { width: 22px; background: var(--gold-primary); }

.testimonial {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
}
.testimonial__placeholder {
  position: absolute;
  top: 16px; right: 16px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px dashed var(--border-strong);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}
.stars { display: flex; gap: 3px; color: var(--gold-primary); }
.stars .icon { width: 16px; height: 16px; fill: currentColor; stroke: none; }
.testimonial__quote { font-size: var(--fs-lg); line-height: 1.6; flex: 1; }
.testimonial__author { display: flex; align-items: center; gap: 14px; }
.avatar {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gold-wash);
  border: 1px solid var(--border-strong);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--gold-ink);
  flex: none;
}
.testimonial__name { display: block; font-weight: 600; }
.testimonial__role { display: block; font-size: var(--fs-sm); color: var(--text-secondary); }

/* Hỏi đáp */
.faq__grid { display: grid; gap: 8px; }
.faq .section-header { justify-items: start; }
.accordion { border-top: 1px solid var(--border); }
.accordion__item { border-bottom: 1px solid var(--border); }
.accordion__heading { font-size: inherit; letter-spacing: normal; }
.accordion__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 64px;
  padding: 20px 0;
  text-align: left;
  font-size: var(--fs-md);
  font-weight: 600;
  line-height: 1.45;
  transition: color var(--dur-fast) linear;
}
.accordion__trigger:hover { color: var(--gold-ink); }
.accordion__icon {
  display: block;
  width: 32px; height: 32px;
  padding: 7px;
  border-radius: 50%;
  border: 1px solid var(--border);
  transition: transform var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.accordion__trigger[aria-expanded="true"] .accordion__icon {
  transform: rotate(45deg);
  background: var(--gold-primary);
  border-color: var(--gold-primary);
  color: #111;
}
.accordion__inner p {
  padding: 0 48px 22px 0;
  color: var(--text-secondary);
  font-size: var(--fs-base);
}

.js .accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  transition: grid-template-rows var(--dur) var(--ease-out), visibility 0s linear var(--dur);
}
.js .accordion__panel.is-open {
  grid-template-rows: 1fr;
  visibility: visible;
  transition: grid-template-rows var(--dur) var(--ease-out), visibility 0s;
}
.js .accordion__inner { overflow: hidden; min-height: 0; }

/* Kêu gọi hành động */
.final-cta { padding-block: clamp(48px, 7vw, 96px); }
.cta-panel {
  position: relative;
  isolation: isolate;
  display: grid;
  justify-items: center;
  gap: 18px;
  padding: clamp(48px, 8vw, 104px) clamp(20px, 5vw, 64px);
  border-radius: clamp(24px, 3vw, 36px);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  text-align: center;
  overflow: hidden;
}
.cta-panel__glow {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(50% 60% at 50% 0%, rgba(212, 175, 55, 0.28), transparent 70%),
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 48px 48px;
}
.cta-panel__display {
  font-size: clamp(1.75rem, 0.9rem + 4vw, 4.5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.045em;
  max-width: 16ch;
}
.cta-panel__title { font-size: var(--fs-h3); font-weight: 600; letter-spacing: -0.01em; max-width: 44ch; }
.cta-panel__text { color: var(--text-secondary); max-width: 52ch; }
.cta-panel__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 12px; }

/* Liên hệ */
.contact__grid { display: grid; gap: 48px; }
.contact__info { display: grid; gap: 20px; align-content: start; }

.channels { display: grid; gap: 10px; margin-top: 12px; }
.channel {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 64px;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.channel:hover { border-color: var(--gold-primary); transform: translateX(4px); }
.channel__icon {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--gold-wash);
  color: var(--gold-ink);
  flex: none;
}
.channel__name { display: block; font-weight: 600; }
.channel__meta { display: block; font-size: var(--fs-sm); color: var(--text-secondary); word-break: break-word; }

.contact__form-wrap {
  padding: clamp(20px, 4vw, 40px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}
.form { display: grid; gap: 18px; }
.form__row { display: grid; gap: 18px; }
.field { display: grid; gap: 8px; min-width: 0; }
.field__label { font-size: var(--fs-sm); font-weight: 600; }
.req { color: var(--gold-ink); }
.field__input {
  width: 100%;
  min-height: 50px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--bg-primary);
  font-size: 1rem; 
  transition: border-color var(--dur-fast) linear, background-color var(--dur-fast) linear;
  -webkit-appearance: none;
  appearance: none;
}
.field__input::placeholder { color: var(--text-secondary); opacity: 0.7; }
.field__input:hover { border-color: var(--gold-primary); }
.field__input:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
  border-color: var(--gold-primary);
}
.field__input--area { resize: vertical; min-height: 120px; line-height: 1.6; }
.field__select { position: relative; }
.field__select .field__input { padding-right: 44px; cursor: pointer; }
.field__select .icon {
  position: absolute;
  right: 16px; top: 50%;
  width: 16px; height: 16px;
  transform: translateY(-50%) rotate(90deg);
  pointer-events: none;
  color: var(--text-secondary);
}
.field__select option { background: var(--bg-primary); color: var(--text-primary); }
.field__error { font-size: var(--fs-sm); color: var(--danger); min-height: 0; }
.field__error:empty { display: none; }
.field__error::before { content: "⚠ "; }
.field.is-invalid .field__input { border-color: var(--danger); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__hint { font-size: var(--fs-xs); color: var(--text-secondary); }
.form__status {
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: var(--fs-sm);
}
.form__status.is-success { border-color: var(--success); color: var(--success); }
.form__status.is-error { border-color: var(--danger); color: var(--danger); }
.form__status.is-info { border-color: var(--border-strong); background: var(--gold-wash); }
.btn[aria-busy="true"] { opacity: 0.7; pointer-events: none; }

/* CAPTCHA chống spam: giữ sẵn chỗ để không xô lệch bố cục khi tải */
.form__captcha-box { min-height: 78px; max-width: 100%; overflow: hidden; }
.form__captcha-box--compact { min-height: 144px; }
.form__status-lead { display: block; margin-bottom: 4px; }
button[type="submit"]:disabled:not([aria-busy="true"]) { opacity: 0.55; cursor: not-allowed; box-shadow: none; }

/* Footer */
.site-footer {
  position: relative;
  padding-block: 72px calc(32px + env(safe-area-inset-bottom));
  background: var(--bg-primary);
  color: var(--text-primary);
  border-top: 1px solid var(--border);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px; left: 10%; right: 10%;
  height: 1px;
  background: var(--gradient-line);
}
.site-footer__top { display: grid; gap: 40px; }
.site-footer__brand { display: grid; gap: 18px; justify-items: start; align-content: start; }
.site-footer__tagline { color: var(--text-secondary); font-size: var(--fs-sm); max-width: 36ch; }
.socials { display: flex; gap: 8px; }
.site-footer__heading {
  margin-bottom: 14px;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-ink);
}
.site-footer__col ul { display: grid; gap: 4px; list-style: none; padding: 0; }
.site-footer__col li { font-size: var(--fs-sm); color: var(--text-secondary); }
.site-footer__col a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  color: var(--text-secondary);
  transition: color var(--dur-fast) linear;
  word-break: break-word;
}
.site-footer__col a:hover { color: var(--gold-primary); }
.site-footer__bottom {
  display: grid;
  gap: 10px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: var(--fs-xs);
  color: var(--text-secondary);
}
.site-footer__legal { max-width: 80ch; line-height: 1.6; }

/* Nút nổi, thanh di động, hộp thoại */
.floating {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: calc(84px + env(safe-area-inset-bottom));
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  pointer-events: none;
}
.floating > * { pointer-events: auto; }
.floating__contact { display: none; box-shadow: 0 12px 30px -10px rgba(184, 134, 11, 0.6); }
.floating__top {
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), visibility 0s linear var(--dur), border-color var(--dur) var(--ease-out);
}
.floating__top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), visibility 0s, border-color var(--dur) var(--ease-out);
}

.mobile-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 95;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-top: 1px solid var(--border);
  transform: translateY(0);
  transition: transform var(--dur) var(--ease-out), visibility 0s;
}
.mobile-cta.is-hidden {
  transform: translateY(110%);
  visibility: hidden;
  transition: transform var(--dur) var(--ease-out), visibility 0s linear var(--dur);
}
.mobile-cta__btn { min-height: 48px; gap: 8px; }
.mobile-cta__btn--ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  font-size: var(--fs-sm);
  font-weight: 600;
}
body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }

.modal {
  width: min(440px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
}
.modal::backdrop { background: rgba(0, 0, 0, 0.55); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.modal__inner { display: grid; gap: 16px; padding: 24px; }
.modal__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.modal__title { font-size: var(--fs-h3); }
.modal__text { color: var(--text-secondary); font-size: var(--fs-sm); margin-top: -8px; }
.channels--compact { grid-template-columns: 1fr 1fr; margin-top: 0; }
.channels--compact .channel { min-height: 56px; padding: 10px 12px; gap: 10px; }
.channels--compact .channel__icon { width: 34px; height: 34px; border-radius: 10px; }

/* Menu dịch vụ (mobile: dạng accordion) */
.nav__dropdown-toggle { width: 100%; text-align: left; color: inherit; cursor: pointer; }
.nav__chevron { width: 18px; height: 18px; transition: transform var(--dur) var(--ease-out); }
.nav__dropdown-toggle[aria-expanded="true"] .nav__chevron { transform: rotate(180deg); }
.nav__dropdown-toggle.is-active { color: var(--gold-ink); }
.mega {
  max-height: 0;
  overflow: hidden;
  visibility: hidden;
  transition: max-height 380ms var(--ease-out), visibility 0s linear 380ms;
}
.mega.is-open {
  max-height: 1400px;
  visibility: visible;
  transition: max-height 480ms var(--ease-out), visibility 0s;
}
.mega__grid { display: grid; gap: 18px; padding: 14px 0 6px; }
.mega__title {
  margin-bottom: 4px;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-ink);
}
.mega__list { list-style: none; margin: 0; padding: 0; display: grid; }
.mega__link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--dur-fast) linear, background-color var(--dur-fast) linear;
}
.mega__link .icon { width: 18px; height: 18px; color: var(--gold-ink); flex: none; }
.mega__link:hover,
.mega__link[aria-current="page"] { color: var(--text-primary); }
.mega__link[aria-current="page"] span { text-decoration: underline; text-decoration-color: var(--gold-primary); text-underline-offset: 4px; }
.mega__all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin-bottom: 12px;
  font-weight: 600;
  color: var(--gold-ink);
}
.mega__all .icon { width: 16px; height: 16px; }

/* Đường dẫn (breadcrumb) */
.breadcrumb { margin-bottom: 22px; }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.breadcrumb__item { display: inline-flex; align-items: center; gap: 6px; min-width: 0; }
.breadcrumb a { display: inline-flex; align-items: center; min-height: 32px; color: var(--text-secondary); transition: color var(--dur-fast) linear; }
.breadcrumb a:hover { color: var(--gold-ink); }
.breadcrumb__sep { width: 14px; height: 14px; opacity: 0.6; }
.breadcrumb [aria-current="page"] { color: var(--text-primary); font-weight: 500; }

/* Liên kết trong nội dung */
.prose a,
.section-lead a {
  color: var(--text-primary);
  text-decoration: underline;
  text-decoration-color: var(--gold-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur-fast) linear;
}
.prose a:hover,
.section-lead a:hover { color: var(--gold-ink); }

.section-title--sm { font-size: clamp(1.5rem, 1.15rem + 1.3vw, 2.25rem); }

/* Ảnh đại diện khách hàng */
.avatar { overflow: hidden; }
.avatar picture { display: contents; }
.avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.avatar--fallback { font-size: var(--fs-sm); }

/* Bộ đếm carousel khi có nhiều đánh giá */
.carousel__counter { display: grid; justify-items: center; gap: 8px; min-width: 110px; }
.carousel__count {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
}
.carousel__bar { width: 110px; height: 3px; border-radius: 3px; background: var(--border-strong); overflow: hidden; }
.carousel__bar span {
  display: block;
  height: 100%;
  background: var(--gradient-gold);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}

/* Lộ trình triển khai trong thẻ AI */
.ai-card__flow {
  display: grid;
  gap: 12px;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}
.ai-card__flow-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.ai-card__steps { display: flex; flex-wrap: wrap; gap: 8px 6px; margin: 0; padding: 0; list-style: none; }
.ai-card__steps li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  font-weight: 600;
}
.ai-card__steps li:not(:last-child)::after {
  content: "";
  width: 14px;
  height: 1px;
  margin-left: 2px;
  background: var(--gold-primary);
  opacity: 0.6;
}
.ai-card__steps span {
  display: grid;
  place-items: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--gradient-gold);
  font-size: 0.6875rem;
  color: #111;
}
@media (min-width: 1024px) {
  .ai-card__steps { flex-wrap: nowrap; justify-content: space-between; }
  .ai-card__steps li { flex-direction: column; gap: 6px; flex: 1; text-align: center; position: relative; }
  .ai-card__steps li:not(:last-child)::after {
    position: absolute;
    top: 11px;
    left: calc(50% + 15px);
    width: calc(100% - 30px);
    margin: 0;
  }
}

/* Nút chọn ngôn ngữ (GTranslate) trong header */
.site-header .gtranslate_wrapper { display: flex; align-items: center; min-width: 44px; min-height: 44px; }
.site-header .gt_switcher-popup {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 12px 0 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-primary) !important;
  font-family: var(--font-sans);
  font-size: var(--fs-sm) !important;
  font-weight: 500;
  line-height: 1;
  text-decoration: none !important;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease-out);
}
.site-header .gt_switcher-popup:hover { border-color: var(--gold-primary); }
.site-header .gt_switcher-popup img { width: 22px !important; height: 22px !important; border-radius: 50%; object-fit: cover; }
.site-header .gt_switcher-popup span:first-of-type {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.site-header .gt_switcher-popup span:last-of-type { color: var(--text-secondary) !important; }

/* Hộp chọn ngôn ngữ */
.gt_black_overlay { z-index: 1000 !important; background: rgba(0, 0, 0, 0.7) !important; }
.gt_white_content {
  z-index: 1001 !important;
  max-width: calc(100vw - 32px) !important;
  border: 1px solid var(--border-strong) !important;
  border-radius: 20px !important;
  background: #101010 !important;
  color: var(--text-primary) !important;
  font-family: var(--font-sans) !important;
  box-shadow: var(--shadow-lg) !important;
}
.gt_white_content a { color: var(--text-primary) !important; border-color: var(--border) !important; }
.gt_white_content a:hover,
.gt_white_content .gt-current-lang { background: var(--gold-wash) !important; color: var(--gold-ink) !important; }
.gt_white_content .gt_search { border-color: var(--border) !important; }
.gt_white_content .gt_search svg { color: var(--gold-ink); }
.gt_white_content input.gt_language_search {
  border: 1px solid var(--border-strong) !important;
  border-radius: 10px !important;
  background: #050505 !important;
  color: var(--text-primary) !important;
  font-size: 1rem !important;
}
@media (min-width: 1440px) {
  .site-header .gt_switcher-popup span:first-of-type { position: static !important; width: auto; height: auto; clip: auto; }
}

.site-header .gt_switcher-popup span:first-of-type { font-size: var(--fs-sm) !important; font-weight: 500; }